Finding the Third Proportional to 53,004,685.50 and 112,120,638

Step by Step Solution

1. Step 1: Write the proportion equation
   53,004,685.50 : 112,120,638 = 112,120,638 : x
2. Step 2: Convert to fraction form
   53,004,685.50/112,120,638 = 112,120,638/x
3. Step 3: Cross multiply
   53,004,685.50x = 112,120,638 × 112,120,638
4. Step 4: Simplify right side
   53,004,685.50x = 12,571,037,465,527,044
5. Step 5: Solve for x
   x = 12,571,037,465,527,044/53,004,685.50
6. Step 6: Final answer
   x = 237,168,419.11